Cita APA

Blackstock, C. (1966). The knock at midnight. Hodder & Stoughton.

Citación estilo Chicago

Blackstock, Charity. The Knock at Midnight. London: Hodder & Stoughton, 1966.

Cita MLA

Blackstock, Charity. The Knock at Midnight. Hodder & Stoughton, 1966.

Warning: These citations may not always be 100% accurate.